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Note 4 - Loans and Leases - Loans Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Loans, gross	$ 1,163,789		$ 1,123,343
Unearned income	0		(810)
Net deferred origination fees	0		1,784
Allowance for credit losses	(12,279)	$ 11,557	(14,193)	$ (13,129)	$ (12,416)
Net loans and leases	1,151,510		1,110,124
Residential Portfolio Segment [Member]
Loans, gross	246,428		250,221
Commercial Real Estate Portfolio Segment [Member]
Loans, gross	373,630		376,976
Construction, Land Acquisition and Development [Member]
Loans, gross	64,890		66,555
Commercial and Industrial [Member]
Loans, gross	317,830		272,024
Allowance for credit losses	(4,928)		(4,099)	(3,092)	(2,670)
Consumer Portfolio Segment [Member]
Loans, gross	91,644		92,612
Allowance for credit losses	(1,597)	1,677	(1,307)	(1,259)	(1,159)
State and Political Subdivisions [Member]
Loans, gross	69,367		64,955
Allowance for credit losses	$ (412)	$ 413	$ (503)	$ (491)	$ (455)